Pterygoid process
Pterygoid Process
The Pterygoid Process (pronunciation: /tɛrɪɡɔɪd/ 'ter-i-goid') is a bony structure that is part of the human skull. It extends down from the junction of the sphenoid bone and serves as a connection point for several important muscles involved in jaw movement.
Etymology
The term "Pterygoid" is derived from the Greek words "pteryx" and "eidos", which translate to "wing" and "form" respectively. This is in reference to the wing-like shape of the process.
Anatomy
The Pterygoid Process consists of two parts: the lateral pterygoid plate and the medial pterygoid plate. These plates serve as attachment points for the pterygoid muscles, which are involved in the opening and closing of the jaw.
The lateral pterygoid plate is thinner and oriented more horizontally, while the medial pterygoid plate is thicker and oriented more vertically. The space between these two plates forms the pterygoid fossa.
Related Terms
- Pterygoid muscles: Muscles that attach to the pterygoid process and are involved in jaw movement.
- Pterygoid fossa: The space between the lateral and medial pterygoid plates.
- Sphenoid bone: The bone in the skull to which the pterygoid process is attached.
See Also
External links
- Medical encyclopedia article on Pterygoid process
- Wikipedia's article - Pterygoid process
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